| 40/100Gb/s偏振复用相干检测光模块的技术分析 |
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| 引用本文： | 胡毅,杨家龙.40/100Gb/s偏振复用相干检测光模块的技术分析[J].激光与光电子学进展,2011(8). |
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| 作者姓名： | 胡毅 杨家龙 |
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| 作者单位： | 光纤通信技术和网络国家重点实验室;武汉电信器件有限公司; |
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| 摘 要： | 利用偏振复用四相相移键控(PM-QPSK)调制技术和相干检测技术,实现40/100 Gb/s光模块的长距离传输。基于相干检测的偏振复用四相相移键控调制格式是40/100 Gb/s长距离传输的主要研究方向,与直接检测系统相比,相干检测具有更高的频谱效率。现有的相干检测是基于高速模数转换器(ADC)的快速发展,ADC对混频后的基带信号采样,通过数字信号处理(DSP)芯片数字均衡的方式完成相干接收。数字信号处理芯片数字均衡的方式可以实现定时恢复、信号恢复、偏振和偏振模色散(PMD)跟踪,以及色散补偿。
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| 关 键 词： | 相干光通信 偏振复用 相干检测 偏振复用四相相移键控 |
Technical Analysis of 40/100 Gb/s Polarization Multiplexing and Coherent Detection for Optical Transponder Module |
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| Hu Yi Yang Jialong State Key Laboratory of Optical Communication Technologies , Networks,Wuhan,Hubei ,China Wuhan Telecommunication Devices Co.,Ltd.,China.Technical Analysis of 40/100 Gb/s Polarization Multiplexing and Coherent Detection for Optical Transponder Module[J].Laser & Optoelectronics Progress,2011(8). |
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| Authors: | Hu Yi Yang Jialong State Key Laboratory of Optical Communication Technologies Networks Wuhan Hubei China Wuhan Telecommunication Devices Co Ltd China |
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| Affiliation: | Hu Yi Yang Jialong State Key Laboratory of Optical Communication Technologies and Networks,Wuhan,Hubei 430074,China Wuhan Telecommunication Devices Co.,Ltd.,China |
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| Abstract: | Polarization modulation-quadrature phase shift keying(PM-QPSK) modulation technology and coherent detection technology are used to realize the long distance transmission for 40/100 Gb/s optical module.Coherent detection in conjunction with advanced PM-QPSK modulation formats is a main research field 40/100 Gb/s-long haul transmission since such scheme can achieve higher spectrum efficiency than conventional direct-detection systems.The re-emergence of coherent detection is attributed to the advanced develop... |
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| Keywords: | coherent optical communication polarization multiplexing coherent detection polarization modulation-quadrature phase shift keying |
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